package leetbook.interview;

public class Sum {
    public static void main(String[] args) {

        int a = 0b10000000_10000000_10000000_10000000;
        int b = a<<1;
        System.out.println(Integer.toBinaryString(b));
//        00000001000000010000000100000000
//        System.out.println(a);
//        System.out.println(a<<1);
    }
}
